E-Dissertationen: Auflistung E-Dissertationen nach Titel
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Smoothed Analysis of Selected Optimization Problems and Algorithms
Brunsch, Tobias (2014-03-20)Optimization problems arise in almost every field of economics, engineering, and science. Many of these problems are well-understood in theory and sophisticated algorithms exist to solve them efficiently in practice. ... -
Social-aware Robot Navigation based on Deep Reinforcement Learning
Zhou, Yanying (2024-04-24)With the increase of applications involving autonomous mobile robots, there is a growing need for them to navigate safely and effectively in environments shared with humans. In recent years, social-aware robot navigation ... -
Soft tissue preservation in amber: a comparative study on the taphonomy and limits of fossilisation of resin embedded arthropods
Barthel, Hans Jonas (2022-11-02)This doctoral thesis deals with the limits of morphological and biomolecular preservation of fossils in amber and provides new information on their taphonomy. A particular focus lies on arthropod inclusions from Cambay and ... -
Software Security Metrics for Malware Resilience
Langweg, Hanno (2008)We examine the level of resistance offered by a software product against malicious software (malware) attacks. Analysis is performed on the software architecture. This is available as a result of the software design process ... -
Software Supply Chain Angriffe: Analyse und Erkennung
Ohm, Marc-Philipp (2021-09-29)Moderne Softwareentwicklung profitiert in vielen Hinsichten von der ausgiebigen Wiederverwendung externer Softwaremodule. Die Abhängigkeit von externen und somit schwer zu kontrollierenden Softwaremodulen – welche in ihrer ... -
Soil characteristics and soil erosion by water in a semi-arid catchment (Wadi Drâa, South Morocco) under the pressure of global change
Klose, Anna (2009-11-24)Soil resources are crucial for the well-being of man and the environment. The results of the first Global Assessment of Human-induced Soil Degradation (GLASOD) indicate that 13% of the world’s soils are degraded; thereof ... -
Soil degradation by water erosion in a sub-humid West-African catchment: a modelling approach considering land use and climate change in Benin
Hiepe, Claudia (2008)Soil degradation threatens agricultural production and food security in Sub-Saharan Africa. In the coming decades, soil degradation, in particular soil erosion, will become worse through the expansion of agriculture into ... -
Soil Moisture Analysis Based On Microwave Brightness Temperatures: A Study on Systematic and Random Errors
Wilker, Henning (2007)In the context of the EU research project ELDAS, the European Centre for Medium-Range Weather Forecasts developed an experimental soil moisture analysis system which is able to assimilate both screen-level variables (2-metre ... -
Solvatisierte Elektronen zum Abtasten der elektronischen Struktur von flüssigem Ammoniak
Vogler, Tim Georg (2019-02-18)Die Photolyse von reinem flüssigen Ammoniak mit ultraviolettem (UV) Laserlicht erzeugt solvatisierte Elektronen. Ist ein Elektron innerhalb einer Flüssigkeit an kein Atom gebunden, aber dennoch vom Solvens eingebettet, ... -
Solving all the problems of our universe, one neutrino mass model at a time
Berbig, Maximilian (2023-12-11)The masses and mixing in the neutrino sector can not be explained by the Standard Model (SM) of particle physics and might be a harbinger for new degrees of freedom at energies scales far above or comparable to the electroweak ... -
Some Applications of the Weighted Combinatorial Laplacian
Szegedy, Christian (2005)The weighted combinatorial Laplacian of a graph is a symmetric matrix which is the discrete analogue of the Laplacian operator. In this thesis, we will study a new application of this matrix to matching theory yielding a ... -
Some Aspects in Cosmological Perturbation Theory and ƒ (R) Gravity
Castañeda C, Leonardo (2016-09-08)General Relativity, the currently accepted theory of gravity, has not been thoroughly tested on very large scales. Therefore, alternative or extended models provide a viable alternative to Einstein’s theory. In this thesis ... -
Some asymptotic results on non-standard likelihood ratio tests, and Cox process modeling in finance
Szimayer, Alexander (2002)This dissertation consists of two parts. In the first part, the subject of hypothesis testing is addressed. Here, non-standard formulations of the null hypothesis are discussed, e.g., non-stationarity under the null, and ... -
Sorting, missorting and spreading of Tau in neurons studied in microfluidic chambers
Balaji, Varun Venkatesh (2017-09-04)Tau is a microtubule-associated protein which plays an important role in stabilizing microtubules (Mandelkow and Mandelkow, 2012). Tau is mainly an axonal protein but it is missorted into the somatodendritic compartment ... -
Sources of spatial tuning in the dorsal subiculum
Dalügge, Dennis (2024-09-23)Spatial navigation is an essential behavior for all moving life-forms. A main mammalian brain structure implicated in this process is the hippocampal formation. Neuronal firing patterns in this brain region are remarkably ... -
Spaceborne SAR Remote Sensing for Monitoring of Vegetation Dynamics in Arid and Semi-arid Environment
Bahteamy, Ayman Eliewa Elsayed Abdelhamid (2020-04-22)Drylands are under constant threat from multiple stresses and challenges, which occur as a result of a complex interaction of natural processes, and human-induced processes caused by unsustainable land use practices, leading ... -
Sparse Grid Methods for Higher Dimensional Approximation
Feuersänger, Christian (2010-09-10)Diese Arbeit befasst sich mit Dünngitterverfahren zur Lösung von höherdimensionalen Problemen. Sie zeigt drei neue Aspekte von Dünnen Gittern auf: Erweiterungen der elementaren Werkzeuge zur Arbeit mit Dünnen Gittern, eine ... -
Sparse Recovery with Fusion Frames
Ayaz, Ulaş (2014-07-09)Sparse signal structures have become increasingly important in signal processing applications as the technology progresses and a plethora of data needs to be handled. It has been shown in practice that various signals have ... -
Sparse representation of multivariate functions based on discrete point evaluations
Byrenheid, Glenn (2019-01-22)Functions provide one of the most important building blocks for model descriptions of reality. Central point of this thesis is the approximation of multivariate functions using Faber-Schauder hat functions. In the first ... -
Spatial and temporal variability of soil CO2 efflux in a spruce-dominated forest in the Eifel National Park, Germany
Dwersteg, Daniela (2012-05-18)The objective of this study was the analysis of temporal and spatial patterns of soil respiration on a catchment scale. This study is part of the DFG-financed project Transregio 32, which deals with the analysis of spatial ...